//
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// CGSizeExtensions.swift
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// SwifterSwift
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//
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// Created by Omar Albeik on 8/22/16.
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// Copyright © 2016 SwifterSwift
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//
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#if canImport(CoreGraphics)
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import CoreGraphics
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// MARK: - Methods
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public extension CGSize {
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/// SwifterSwift: Returns the aspect ratio.
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var aspectRatio: CGFloat {
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return height == 0 ? 0 : width / height
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}
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/// SwifterSwift: Returns width or height, whichever is the bigger value.
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var maxDimension: CGFloat {
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return max(width, height)
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}
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/// SwifterSwift: Returns width or height, whichever is the smaller value.
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var minDimension: CGFloat {
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return min(width, height)
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}
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}
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// MARK: - Methods
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public extension CGSize {
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/// SwifterSwift: Aspect fit CGSize.
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///
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/// let rect = CGSize(width: 120, height: 80)
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/// let parentRect = CGSize(width: 100, height: 50)
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/// let newRect = rect.aspectFit(to: parentRect)
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/// // newRect.width = 75 , newRect = 50
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///
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/// - Parameter boundingSize: bounding size to fit self to.
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/// - Returns: self fitted into given bounding size
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func aspectFit(to boundingSize: CGSize) -> CGSize {
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let minRatio = min(boundingSize.width / width, boundingSize.height / height)
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return CGSize(width: width * minRatio, height: height * minRatio)
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}
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/// SwifterSwift: Aspect fill CGSize.
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///
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/// let rect = CGSize(width: 20, height: 120)
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/// let parentRect = CGSize(width: 100, height: 60)
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/// let newRect = rect.aspectFit(to: parentRect)
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/// // newRect.width = 100 , newRect = 60
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///
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/// - Parameter boundingSize: bounding size to fill self to.
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/// - Returns: self filled into given bounding size
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func aspectFill(to boundingSize: CGSize) -> CGSize {
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let minRatio = max(boundingSize.width / width, boundingSize.height / height)
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let aWidth = min(width * minRatio, boundingSize.width)
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let aHeight = min(height * minRatio, boundingSize.height)
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return CGSize(width: aWidth, height: aHeight)
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}
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}
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// MARK: - Operators
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public extension CGSize {
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/// SwifterSwift: Add two CGSize
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///
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/// let sizeA = CGSize(width: 5, height: 10)
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/// let sizeB = CGSize(width: 3, height: 4)
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/// let result = sizeA + sizeB
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/// // result = CGSize(width: 8, height: 14)
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///
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/// - Parameters:
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/// - lhs: CGSize to add to.
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/// - rhs: CGSize to add.
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/// - Returns: The result comes from the addition of the two given CGSize struct.
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static func + (lhs: CGSize, rhs: CGSize) -> CGSize {
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return CGSize(width: lhs.width + rhs.width, height: lhs.height + rhs.height)
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}
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/// SwifterSwift: Add a CGSize to self.
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///
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/// let sizeA = CGSize(width: 5, height: 10)
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/// let sizeB = CGSize(width: 3, height: 4)
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/// sizeA += sizeB
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/// // sizeA = CGPoint(width: 8, height: 14)
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///
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/// - Parameters:
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/// - lhs: self
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/// - rhs: CGSize to add.
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static func += (lhs: inout CGSize, rhs: CGSize) {
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lhs.width += rhs.width
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lhs.height += rhs.height
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}
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/// SwifterSwift: Subtract two CGSize
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///
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/// let sizeA = CGSize(width: 5, height: 10)
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/// let sizeB = CGSize(width: 3, height: 4)
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/// let result = sizeA - sizeB
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/// // result = CGSize(width: 2, height: 6)
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///
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/// - Parameters:
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/// - lhs: CGSize to subtract from.
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/// - rhs: CGSize to subtract.
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/// - Returns: The result comes from the subtract of the two given CGSize struct.
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static func - (lhs: CGSize, rhs: CGSize) -> CGSize {
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return CGSize(width: lhs.width - rhs.width, height: lhs.height - rhs.height)
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}
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/// SwifterSwift: Subtract a CGSize from self.
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///
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/// let sizeA = CGSize(width: 5, height: 10)
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/// let sizeB = CGSize(width: 3, height: 4)
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/// sizeA -= sizeB
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/// // sizeA = CGPoint(width: 2, height: 6)
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///
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/// - Parameters:
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/// - lhs: self
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/// - rhs: CGSize to subtract.
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static func -= (lhs: inout CGSize, rhs: CGSize) {
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lhs.width -= rhs.width
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lhs.height -= rhs.height
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}
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/// SwifterSwift: Multiply two CGSize
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///
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/// let sizeA = CGSize(width: 5, height: 10)
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/// let sizeB = CGSize(width: 3, height: 4)
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/// let result = sizeA * sizeB
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/// // result = CGSize(width: 15, height: 40)
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///
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/// - Parameters:
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/// - lhs: CGSize to multiply.
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/// - rhs: CGSize to multiply with.
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/// - Returns: The result comes from the multiplication of the two given CGSize structs.
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static func * (lhs: CGSize, rhs: CGSize) -> CGSize {
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return CGSize(width: lhs.width * rhs.width, height: lhs.height * rhs.height)
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}
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/// SwifterSwift: Multiply a CGSize with a scalar.
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///
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/// let sizeA = CGSize(width: 5, height: 10)
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/// let result = sizeA * 5
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/// // result = CGSize(width: 25, height: 50)
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///
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/// - Parameters:
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/// - lhs: CGSize to multiply.
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/// - scalar: scalar value.
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/// - Returns: The result comes from the multiplication of the given CGSize and scalar.
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static func * (lhs: CGSize, scalar: CGFloat) -> CGSize {
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return CGSize(width: lhs.width * scalar, height: lhs.height * scalar)
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}
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/// SwifterSwift: Multiply a CGSize with a scalar.
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///
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/// let sizeA = CGSize(width: 5, height: 10)
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/// let result = 5 * sizeA
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/// // result = CGSize(width: 25, height: 50)
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///
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/// - Parameters:
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/// - scalar: scalar value.
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/// - rhs: CGSize to multiply.
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/// - Returns: The result comes from the multiplication of the given scalar and CGSize.
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static func * (scalar: CGFloat, rhs: CGSize) -> CGSize {
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return CGSize(width: scalar * rhs.width, height: scalar * rhs.height)
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}
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/// SwifterSwift: Multiply self with a CGSize.
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///
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/// let sizeA = CGSize(width: 5, height: 10)
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/// let sizeB = CGSize(width: 3, height: 4)
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/// sizeA *= sizeB
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/// // result = CGSize(width: 15, height: 40)
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///
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/// - Parameters:
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/// - lhs: self.
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/// - rhs: CGSize to multiply.
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static func *= (lhs: inout CGSize, rhs: CGSize) {
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lhs.width *= rhs.width
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lhs.height *= rhs.height
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}
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/// SwifterSwift: Multiply self with a scalar.
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///
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/// let sizeA = CGSize(width: 5, height: 10)
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/// sizeA *= 3
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/// // result = CGSize(width: 15, height: 30)
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///
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/// - Parameters:
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/// - lhs: self.
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/// - scalar: scalar value.
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static func *= (lhs: inout CGSize, scalar: CGFloat) {
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lhs.width *= scalar
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lhs.height *= scalar
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}
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}
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#endif
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